All issues Volume 74 (2019) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 74 (2019) 58 Full HTMLRock mechanical properties of rock mass, FDFN, and NFs.
| Rock mass parameter | Unit | Value | |
|---|---|---|---|
| Density | kg/m3 | 2600 | |
| Elastic modulus | GPa | 24 | |
| Poisson’s ratio | – | 0.25 | |
| Cohesion | MPa | 2 | |
| Friction angle | Degree | 35 | |
| Tension strength | MPa | 1 | |
| Fracture parameters | FDFN | NFs | |
| Normal stiffness | GPa/m | 350 | 20 |
| Shear stiffness | GPa/m | 140 | 10 |
| Cohesion | MPa | 2 | 0 |
| Friction angle | Degree | 35 | 20 |
| Tension strength | MPa | 1 | 0.01 |
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